S-91440A144 6-32 x 3/8" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Optimized drive engagement through dual Phillips/Slotted head design prevents cam-out and enables versatile tool compatibility
• Reliable fastening performance with 60,000 psi tensile strength and Rockwell B70 hardness for high-stress applications
• Quick installation and secure fit with UNC coarse threading and Class 2A thread fit ensuring consistent engagement
• Maximum thread coverage through fully threaded design provides superior holding power across the entire fastener length
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

These zinc-plated steel rounded head screws deliver exceptional engineering value for industrial assembly applications where corrosion resistance and high tensile strength are critical. The combination of UNC coarse threading and Class 2A fit ensures rapid installation while maintaining precise thread engagement, reducing assembly time in high-volume manufacturing. The dual Phillips/Slotted drive system provides flexibility for various tooling setups, preventing stripping and improving worker efficiency. Ideal for machinery assembly, electrical enclosures, and equipment manufacturing, these fully threaded screws distribute clamping force evenly, preventing joint failure in vibration-prone environments. The rounded head profile offers a finished appearance while minimizing snagging hazards in operational settings.

Specification Summary & Compliance

This 6-32 x 3/8" screw features precision UNC coarse threading with Class 2A dimensional tolerance for consistent fit and performance. Manufactured to ASME B18.6.3 standards for dimensional accuracy and mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The zinc-plated steel construction meets industrial requirements for corrosion protection while maintaining the specified 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening performance.